Thanks, guys! One question:
Hmm, it seems like I can't use a NEMA 5-20P on the generator end, because the generator only has regular 3 prong receptacles like you'd have in a house, I think "NEMA 5-15". I assume I can do what you suggested with a regular NEMA 5-15P plug -- is that correct...
The power around here goes out pretty frequently in the winter. So I'd like to be able to have our gas boiler and its hot water circulator pumps run from a generator.
If the boiler plugged in to an electrical outlet, that would be easy: unplug it and plug it into an extension cord running to...